<?php

class XType {

	const String = 'String';	
	const ID = 'ID';
	const GenericID = 'GenericID';
  const DateTime = 'DateTime';
  const Time = 'Time';
  const TimeSpan = 'TimeSpan';
  const Lemma = 'Lemma';
	
	const Integer = 'Integer';
	const Boolean = 'Boolean';
  const Float = 'Float';
	
	const NullableInteger = 'NullableInteger';
	const NullableBoolean = 'NullableBoolean';
  const NullableFloat = 'NullableFloat';
  
}



?>